JPS5197502A - Chichukutsusakukino dorirusuishinryokuokeisokusuru hohotokonohohooryoshitadorirusuishinryokuhyojiki - Google Patents

Chichukutsusakukino dorirusuishinryokuokeisokusuru hohotokonohohooryoshitadorirusuishinryokuhyojiki

Info

Publication number
JPS5197502A
JPS5197502A JP50145205A JP14520575A JPS5197502A JP S5197502 A JPS5197502 A JP S5197502A JP 50145205 A JP50145205 A JP 50145205A JP 14520575 A JP14520575 A JP 14520575A JP S5197502 A JPS5197502 A JP S5197502A
Authority
JP
Japan
Prior art keywords
hohotokonohohooryoshitadorirusuishinryokuhyojiki
dorirusuishinryokuokeisokusuru
chichukutsusakukino
dorirusuishinryokuokeisokusuru hohotokonohohooryoshitadorirusuishinryokuhyojiki
chichukutsusakukino dorirusuishinryokuokeisokusuru
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP50145205A
Other languages
Japanese (ja)
Other versions
JPS5319521B2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS5197502A publication Critical patent/JPS5197502A/en
Publication of JPS5319521B2 publication Critical patent/JPS5319521B2/ja
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/007—Measuring stresses in a pipe string or casing

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
JP50145205A 1975-02-24 1975-12-08 Chichukutsusakukino dorirusuishinryokuokeisokusuru hohotokonohohooryoshitadorirusuishinryokuhyojiki Granted JPS5197502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US550059A US3921447A (en) 1975-02-24 1975-02-24 Drilling force indicator

Publications (2)

Publication Number Publication Date
JPS5197502A true JPS5197502A (en) 1976-08-27
JPS5319521B2 JPS5319521B2 (en) 1978-06-21

Family

ID=24195568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50145205A Granted JPS5197502A (en) 1975-02-24 1975-12-08 Chichukutsusakukino dorirusuishinryokuokeisokusuru hohotokonohohooryoshitadorirusuishinryokuhyojiki

Country Status (6)

Country Link
US (1) US3921447A (en)
JP (1) JPS5197502A (en)
CA (1) CA1035168A (en)
DE (1) DE2603740A1 (en)
GB (1) GB1494690A (en)
ZA (1) ZA756372B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5693997A (en) * 1979-12-28 1981-07-29 Hitachi Construction Machinery Detector for excavating load of pit excavator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339946A (en) * 1979-12-05 1982-07-20 Hughes Tool Company Hydraulic depth indicator for hydraulic drilling machines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851880A (en) * 1956-02-23 1958-09-16 Martin Decker Corp Permanent recording electrical force-measuring circuit
US3759092A (en) * 1971-06-09 1973-09-18 Us Navy Rce differential pressure transducer and readout for sensing claw grip fo

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5693997A (en) * 1979-12-28 1981-07-29 Hitachi Construction Machinery Detector for excavating load of pit excavator
JPS6050957B2 (en) * 1979-12-28 1985-11-11 日立建機株式会社 Excavation load detection device for pit excavator

Also Published As

Publication number Publication date
JPS5319521B2 (en) 1978-06-21
AU8600675A (en) 1977-04-28
GB1494690A (en) 1977-12-14
DE2603740A1 (en) 1976-09-02
ZA756372B (en) 1976-09-29
CA1035168A (en) 1978-07-25
US3921447A (en) 1975-11-25

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